The Illinois Sports Facilities Authority has been a thorn in taxpayers’ side since its late-1980s creation paved the way for junking the original Comiskey Park, and it’s also responsible for the early 2000s Soldier Field renovation that cost nearly $400 million. There’s no way elected officials could stay out of yet another mega-development, which tends to mean using public money to offset the expenses of private companies who will make profits once games are played.